(Lianja) Create more Complex JSON Document

Sample code to create the following JSON document:

    {  
        "Title": "The Cuckoo's Calling",  
        "Author": "Robert Galbraith",  
        "Genre": "classic crime novel",  
        "Detail": {  
            "Publisher": "Little Brown",  
            "Publication_Year": 2013,  
            "ISBN-13": 9781408704004,  
            "Language": "English",  
            "Pages": 494  
        },  
        "Price": [  
            {  
                "type": "Hardcover",  
                "price": 16.65  
            },  
            {  
                "type": "Kindle Edition",  
                "price": 7.00  
            }  
        ]  
    }  

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loJson = createobject("CkJsonObject")

// The only reason for failure in the following lines of code would be an out-of-memory condition..

// An index value of -1 is used to append at the end.
lnIndex = -1

llSuccess = loJson.AddStringAt(-1,"Title","The Cuckoo's Calling")
llSuccess = loJson.AddStringAt(-1,"Author","Robert Galbraith")
llSuccess = loJson.AddStringAt(-1,"Genre","classic crime novel")

// Let's create the Detail JSON object:
llSuccess = loJson.AddObjectAt(-1,"Detail")
loDetail = loJson.ObjectAt(loJson.Size - 1)
llSuccess = loDetail.AddStringAt(-1,"Publisher","Little Brown")
llSuccess = loDetail.AddIntAt(-1,"Publication_Year",2013)
llSuccess = loDetail.AddNumberAt(-1,"ISBN-13","9781408704004")
llSuccess = loDetail.AddStringAt(-1,"Language","English")
llSuccess = loDetail.AddIntAt(-1,"Pages",494)
release loDetail

// Add the array for Price
llSuccess = loJson.AddArrayAt(-1,"Price")
loAPrice = loJson.ArrayAt(loJson.Size - 1)

// Entry entry in aPrice will be a JSON object.

// Append a new/empty ojbect to the end of the aPrice array.
llSuccess = loAPrice.AddObjectAt(-1)
// Get the object that was just appended.
loPriceObj = loAPrice.ObjectAt(loAPrice.Size - 1)
llSuccess = loPriceObj.AddStringAt(-1,"type","Hardcover")
llSuccess = loPriceObj.AddNumberAt(-1,"price","16.65")
release loPriceObj

llSuccess = loAPrice.AddObjectAt(-1)
loPriceObj = loAPrice.ObjectAt(loAPrice.Size - 1)
llSuccess = loPriceObj.AddStringAt(-1,"type","Kindle Edition")
llSuccess = loPriceObj.AddNumberAt(-1,"price","7.00")
release loPriceObj

release loAPrice

loJson.EmitCompact = .F.
? loJson.Emit()


release loJson